#pragma warning(disable: 4996)
#pragma warning(disable: 6031)

/*
** A + B Problem
*/

#include <stdio.h>

int main_1001_add() {
	int a, b;
	while (scanf("%d %d", &a, &b) == 2) {
		printf("%d\n", a + b);
	}
	return 0;
}